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Exam Code: HDPCDExam Name: Hortonworks Data Platform Certified Developer
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HDPCD Real Exams Total Q&A: 110 Questions and Answers
Last Update: 09-27,2016
HDPCD Exam Questions Detail: HDPCD Real Exams
NO.1 For each intermediate key, each reducer task can emit:
A. One final key-value pair per value associated with the key; no restrictions on the type.
B. As many final key-value pairs as desired, but they must have the same type as the intermediate
key-value pairs.
C. As many final key-value pairs as desired, as long as all the keys have the same type and all the
values have the same type.
D. One final key-value pair per key; no restrictions on the type.
E. As many final key-value pairs as desired. There are no restrictions on the types of those key-value
pairs (i.e., they can be heterogeneous).
Answer: C
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Reference: Hadoop Map-Reduce Tutorial; Yahoo! Hadoop Tutorial, Module 4: MapReduce
NO.2 Which one of the following classes would a Pig command use to store data in a table defined in
HCatalog?
A. org.apache.hcatalog.pig.HCatStorer
B. Pig scripts cannot use an HCatalog table
C. No special class is needed for a Pig script to store data in an HCatalog table
D. org.apache.hcatalog.pig.HCatOutputFormat
Answer: A
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